static/talks/extending_moose_yapc_na_2010/054.pl.html


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

<html>
<head>
<title>054.pl</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script>
function navigate(e) {
    var keynum = (window.event) // IE
        ? e.keyCode
        : e.which;
    if (keynum == 8) {
        window.location = "053.pl" + ".html";
        return false;
    }
    if (keynum == 13 || keynum == 32) {
        window.location = "055.pl" + ".html";
        return false;
    }
    if (keynum == 73 || keynum == 105) {
        window.location = "index.html";
        return false;
    }
    return true;
}
</script>
</head>
<body onkeypress="return navigate(event)">
<pre>    package Command::Role::Class;
    use Moose::Role;
    
    sub get_all_commands {
        my ($self) = @_;
        grep { Moose::Util::does_role($_, 'Command::Role::Method') }
             $self-&gt;get_all_methods;
    }
    
    sub has_command {
        my ($self, $name) = @_;
        my $method = $self-&gt;find_method_by_name($name);
        return unless $method;
        return Moose::Util::does_role($method, 'Command::Role::Method');
    }
    
    sub get_command {
        my ($self, $name) = @_;
        my $method = $self-&gt;find_method_by_name($name);
        return unless $method;
        return Moose::Util::does_role($method, 'Command::Role::Method')
             ? $method
             : ();
    }
</pre>
</body>